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Scalar vs. primitive data type - are they the same thing?
... structs, etc. A scalar is a "single" value - integer, boolean, perhaps a string - while a compound is made up of multiple scalars (and possibly references to other compounds). "Scalar" is used in contexts where the relevant distinction is between single/simple/atomic values and compound values.
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Get Base64 encode file-data from Input Form
...other voodoo magic before you upload.
There are two methods:
Convert to string and use the built-in btoa or similar
I haven't tested all cases, but works for me- just get the char-codes
Convert directly from a Uint8Array to base64
I recently implemented tar in the browser. As part of that p...
Permutations in JavaScript?
...
usedChars.pop();
}
return permArr
};
document.write(JSON.stringify(permute([5, 3, 7, 1])));
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ASP.NET MVC Razor pass model to layout
What I see is a string Layout property. But how can I pass a model to layout explicitly?
11 Answers
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Parse JSON in C#
...xt, although there are a number of examples out there with simplified JSON strings.
7 Answers
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“Unknown class in Interface Builder file” error at runtime
...ompiled from the .xib) is loaded at runtime, MyClass is referenced using a string, but the linker doesn't analyze code functionality, just code existence, so it doesn't know that. Since no other source files references that class, the linker optimizes it out of existence when making the executable....
MySQL stored procedure vs function, which would I use when?
...ons and triggers cannot use Dynamic SQL (where you construct statements as strings and then execute them). (Dynamic SQL in MySQL stored routines)
Some more interesting differences between FUNCTION and STORED PROCEDURE:
(This point is copied from a blogpost.)
Stored procedure is precompiled execu...
How do you make an array of structs in C?
...
So to put it all together by using malloc():
int main(int argc, char** argv) {
typedef struct{
char* firstName;
char* lastName;
int day;
int month;
int year;
}STUDENT;
int numStudents=3;
int x;
STUDENT* students = malloc(numStu...
How to return an array from JNI to Java?
...e the return value. If you wanted to create a single dimensional array of Strings then you'd use the NewObjectArray() function but with a different parameter for the class.
Since you want to return an int array, then your code is going to look something like this:
JNIEXPORT jintArray JNICALL Ja...
RESTful call in Java
...rns you an InputStream. You will then have to convert your input stream to string and parse the string into it's representative object (e.g. XML, JSON, etc).
Alternatively, Apache HttpClient (version 4 is the latest). It's more stable and robust than java's default URLConnection and it supports mos...